9th Class Biology Chapter 02 MCQs with Answers

Welcome to the 9th Class Biology Chapter 02 MCQs Online Test. We are presenting you with top MCQ questions from the 9th Class Biology Chapter SOLVING A BIOLOGICAL PROBLEMS.

We want to tell you that you can find all the 9th Class Biology Chapter 02 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your matriculation Exams. We are making these Class 9 Biology MCQs online tests for those who want full marks in their exams. Attempt all these Grade 9 Biology Online Multiple Choice Questions MCQs before going for the exam and it will be beneficial for you! These online tests contain all the important multiple choice questions in the important topics of the SSC Part 1  Biology Chapter 02 SOLVING A BIOLOGICAL PROBLEMS

9th Class Biology Chapter 02 MCQs with Answers

Youth For Pakistan has provided an excellent opportunity for the students of the 9th class to prepare their Biology Chapter 02 SOLVING A BIOLOGICAL PROBLEMS online with MCQs test.

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MCQs Class 9 Biology with Answers

The purpose of these online MCQs tests is to help you evaluate your 9th Class Biology Chapter 02 MCQs. These Multiple Choice Questions (MCQs) will prepare you for your academic success in the 9th Class Exams. 9th Class Biology Chapters include Chapter 01 Introduction to Biology, Chapter 02 Solving a Biological Problem, Chapter 03 Biodiversity, Chapter 04 Cells and Tissues, Chapter 05 Cell Cycle, Chapter 06 Enzymes, Chapter 07 Bioenergetics, Chapter 08 Nutrition and Chapter 09 Transport

What is SOLVING A BIOLOGICAL PROBLEMS?

A biological problem is a question related to living organisms that is either asked by some one or comes in biologist’s mind by himself. 2. Observations. As the first step in solving a biological problem, biologist recalls his/her previous observations or makes new ones.

CHAPTER 2 SOLVING A BIOLOGICAL PROBLEMS

1.Scientists that use scientific methodologies to form new theories are known as:

(a) Biologist

(b) Chemists

(c) Physicists

(d) All of these

2.The scientific methodology due to which biological problems are solved is called:

(a) Geological problem

(b) Biological method

(c) Non-biological method

(d) All of the above

3.Era of Biological method in scientific research:

(a) 700 years

(b) 500 years

(c) 600 years

(d) 525 years

4.Biological method has been playing a vital role for the last:

(a) 400 years

(b) 500 years

(c) 600 years

(d) 1000 years

5.Biological Method comprises of steps:

(a) 5

(b) 6

(c) 7

(d) 9

6.Galileo performed his experiments in:

(a) 1690’s

(b) 1790’s

(c) 1590’s

(d) 1650’s

7.The problem associated with living organisms:

(a) Chemical

(b) Geological

(c) Biological

(d) Physical

8.Quantitative observations are considered:

(a) Less accurate

(b) Invariable

(c) More accurate

(d) Both b & c

9.The point at which water freezed:

(a) 10 °C

(b) 0 °C

(c) 5 °C

(d) 15 oc

10. Weight of 1 kilogram of water:

(a) 900 grams

(b) 1000 grams

(c) 800 grams

(d) 700 grams

11. Weight of 1 kilogram of ethanol:

(a) 879 grams

(b) 789 grams

(c) 987 grams

(d) 768 grams

12. A proposition which may be true:

(a) Deduction

(b) Theory

(c) Law

(d) Hypothesis

13. The tentative explanation of observation is called:

(a) Hypothesis

(b) Theory

(c) Deductions

(d) Result

14. Which one among the following is not the characteristic of a good hypothesis?

(a) Must be consistent with present data (b) Must be testable

(c) Must be correct

(d) Must have prediction

15. Logical consequence drawn from hypothesis:

(a) Observation

(b) Deduction

(c) Experimentation

(d) Result

16. In biological method the next step of hypothesis is called:

(a) Deduction

(b) Observation

(c) Result

(d) Experiment

17. “If someone examine cells from a blade of grass, then each one will have a nucleus”. What is This statement :

(a) Theory

(b) Hypothesis

(c) Deduction

(d) Law

18. is most basic step of biological method:

(a) Observations

(b) Hypothesis

(c) Experimentation

(d) Deductions

19. Physicians were familiar with malaria years ago :

(a) 2000

(b) 2500

(c) 1500

(d) 2100

20. The word Malaria is derived from which language?

(a) German

(b) Italian

(c) French

(d) Greek

21. The word “mala” means:

(a) Air

(b) Bad

(c) Poor

(d) Both a & b

22. When was America discovered?

(a) 16th century

(b) 17th century

(C) 18th century

(d) 20th century

23. Which disease has killed more people than any other disease?

(a) Cancer

(b) AIDS

(c) Tuberculosis

(d) Malaria\

24. Bark of Quina- Quina was used for treating:

(a) Typhoid

(b) Malaria

(c) Tetanus

(d) Fever

25. The bark of which tree was very suitable for curing malaria?

(a) Cedrus

(b) Cinchona

(c) Pinus

(d) Cactus

26. Quinine is obtained from:

(a) Cinchona Bark

(b) Quina — Quina Bark

(c) Both a & b

(d) None of these

27. The bark of cinchona contains a chemical:

(a) Gum

(b) Quinine

(c) Glue

(d) Honey

28. Quinine is an effective remedy for:

(a) Diabetes

(b) Malaria

(c) Cholera

(d) Diarrhoea

29. Most effective remedy against malaria uptil 20th century:

(a) Ranitidine

(b) Quinine

(c) Amoxicillin

(d) All of these

30. French Army Physician who worked on malaria in 1878:

(a) Laveran

(b) Ronald Ross

(c) A.F.A king

(d) Mendel

31. Who started to know the reason for malaria?

(a) Hackel

(b) Laveran

(c) Ronald Ross

(d) Mendel

32. Laveran began to search for cause of malaria in:

(a) 1978

(b) 1870

(c) 1878

(d) 1880

33. Who discovered Plasmodium?

(a) Laveran

(b) A. F A. King

(c) Ronald Ross

(d) Darwin

34. Plasmodium was discovered in:

(a) 1876

(b) 1878

(c) 1880

(d) 1882

35. Malaria is caused by:

(a) Plasmodium

(b) Entamoeba

(c) Paramecium

(d) E-coli

36. “If Plasmodium is the reason of malaria, then all the person ill with malaria should have plasmodium in their blood”. This statement indicates :

(a) Hypothesis

(b) Deduction

(c) Theory

(d) Law

37. Mark the incorrect observation about malaria:

(a) Malaria is associated with marshes.

(b) Quinine is an effective drug for treating malaria.

(c) Drinking water of marshes causes malaria.

(d) Individuals who slept near a smoky fire usually did not get malaria.

38. In which year, A. F. A. King listed his 20 observations:

(a) 1881

(b) 1882

(c) 1883

(d) 1884

39. How many observations were presented by A.F.A king?

(a) 14

(b) 18

(c) 20

(d) 22

40. Ronald Ross belonged to:

(a) Germany

(b) Great Britain

(c) Holland

(d) America

41. Ronald Ross performed experiments in:

(a) 1878

(b) 1880

(c) 1885

(d) 1888

42. “Mosquitoes transmit plasmodium and are involved in spread of malaria” this hypothesis is suggested by?

(a) Laveran

(b) Aristotle

(c) Redi

(d) A.F.A. king

43. Female Mosquitoes used by Ross in his experiments:

(a) Anopheles and Aedes

(b) Aedes and culex

(c) Culex and Anopheles

(d) All of these

44. Female mosquitoes need the blood offor the maturation of their eggs:

(a) Mammals

(b) Birds

(c) Both (a) and (b)

(d) Reptiles

45. Anopheles mosquito causes a disease:

(a) Dengue fever

(b) Malaria Fever

(c) Typhoid Fever

(d) Flu Fever

46. Malaria in sparrows spread by:

(a) Ordinary Mosquito

(b) culex mosquito

(c) Anopheles mosquito

(d) Aedes mosquito

47. The malaria is spread in birds by:

(a) Anopheles

(b) Dengue

(c) Aedes

(d) Culex

48. Plasmodium is transferred by:

(a) Fly

(b) Virus

(c) Mosquito

(d) Bacteria

49. Who is responsible for spread of malaria fever?

(a) Virus

(b) Plasmodium

(c) Amoeba

(d) Paramecium

50. Ross found mosquitoes multiplying in:

(a) Salivary glands

(b) Blood

(c) Stomach

(d) Both a & c

51. Mosquito that transmits dengue fever:

(a) Culex

(b) Anopheles

(c) Aedes

(d) Female anopheles mosquito

52. In dengue fever, which cells are shorten?

(a) R.B.C

(b) Platelets

(c) W.B.C

(d) All of these

53. Blood clotting in food canal of mosquito is prevented by.

(a) Lymph

(b) Platelets

(c) Saliva

(d) All of these

54. A Hypothesis that is often tested and never rejected is called:(GRW 2012, 2015)

(a) Law

(b) Theory

(c) Principle

(d) Deduction

55. The hypothesis that stands the test of time are called:

(a) Experiments

(b) Deductions

(c) Theories

(d) Observation

56. A theory is supported by a great deal of:

(a) Evidence

(b) Result

(c) Experiment

(d) Observation

57. An irrefutable theory:

(a) Deduction

(b) law

(c) Hypothesis

(d) All of these

58. The information such as names, dates or values made from observations and experimentation:

(a) Data

(b) Theory

(c) Law

(d) Observation

59. A relation between two numbers in terms of quotient is called:

(a) Proportion

(b) Ratio

(c) Both a & b

(d) None of these

60. Summarizing data through the calculation of a mean value:

(a) Mathematics

(b) Statistics

(c) Physics

(d) Economics

61. Computational and statistical techniques for the analysis of biological data are studied in:

(a) Biomathematics

(b) Biophysics

(c) Bioinformatics

(d) Biochemistry

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